학술논문
综采工作面切顶卸压沿空成巷开采技术探讨 / Discussion on Mining Technology of Roof Cutting Pressure Release of Roadway Excavation along Goaf for Fully Mechanized Mining Face
Document Type
Academic Journal
Source
江西煤炭科技 / Jiangxi Coal Science & Technology. (2):10-14
Subject
Language
Chinese
ISSN
1006-2572
Abstract
为消除晋能控股煤业集团王村煤业8120工作面坚硬顶板条件下综采面沿空成巷"弧形三角顶板"威胁,拟应用切顶卸压、沿空成巷和"前进支护+定向爆破+挡矸支护"技术;经实践,留巷顶板的平均下沉量降低88.3％、两帮的平均移近量降低76.4％;确保了留巷的基本稳定.